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To prevent internal reflection.
chrispohmomanyi answered the question on October 4, 2017 at 06:00
- How does a syringe draw water from a beaker.(Solved)
How does a syringe draw water from a beaker.
Date posted: October 4, 2017. Answers (1)
- Explain why a concave meniscus is formed on the surface of water while convex meniscus on mercury liquid.(Solved)
Explain why a concave meniscus is formed on the surface of water while convex meniscus on mercury liquid.
Date posted: October 4, 2017. Answers (1)
- State the purpose of carbon powder in a dry cell.(Solved)
State the purpose of carbon powder in a dry cell.
Date posted: October 4, 2017. Answers (1)
- State two ways of increasing the mechanical advantage of a hydraulic machine.(Solved)
State two ways of increasing the mechanical advantage of a hydraulic machine.
Date posted: October 4, 2017. Answers (1)
- State and explain how stability of the candle changes as it continues to burn.(Solved)
State and explain how stability of the candle changes as it continues to burn.
Date posted: October 4, 2017. Answers (1)
- An FM radio station aired its transmission at the frequency of 100 Mega Hertz. Calculate its wavelength given that the velocity of the wave is...(Solved)
An FM radio station aired its transmission at the frequency of 100 Mega Hertz. Calculate its wavelength given that the velocity of the wave is 3.0 x 10^8 m/s
Date posted: October 2, 2017. Answers (1)
- The strength of an electromagnet can be increase by certain modifications. State the two likely ways
one...(Solved)
The strength of an electromagnet can be increase by certain modifications. State the two likely ways
one can do this.
Date posted: October 2, 2017. Answers (1)
- When girl was carrying a bucket full of water she leaned away from it. State the reason.(Solved)
When girl was carrying a bucket full of water she leaned away from it. State the reason.
Date posted: October 2, 2017. Answers (1)
- Oil was accidentally spilled over a large surface area of the ocean. State two environmental hazards
that...(Solved)
Oil was accidentally spilled over a large surface area of the ocean. State two environmental hazards
that the oil may cause.
Date posted: October 2, 2017. Answers (1)
- Iron fillings were found to cling in large quantities at the ends of a bar magnet.
Explain this...(Solved)
Iron fillings were found to cling in large quantities at the ends of a bar magnet.
Explain this observation.
Date posted: October 2, 2017. Answers (1)
- A student took an accumulator to be charged. He was advice to leave the caps of the cell open. Give the
...(Solved)
A student took an accumulator to be charged. He was advice to leave the caps of the cell open. Give the
reason for doing this.
Date posted: October 2, 2017. Answers (1)
- A lady wearing sharp pointed heeled shoes walked through a banking hall lined with wooden tiles. State
...(Solved)
A lady wearing sharp pointed heeled shoes walked through a banking hall lined with wooden tiles. State
what is likely to happen.
Date posted: October 2, 2017. Answers (1)
- Wide tyres are fitted on a vehicle to reduce pressure exert on the road. Explain.(Solved)
Wide tyres are fitted on a vehicle to reduce pressure exert on the road. Explain.
Date posted: October 2, 2017. Answers (1)
- From the expression P = pgh. State the factors that affect pressure of a fluid.(Solved)
From the expression P = pgh. State the factors that affect pressure of a fluid.
Date posted: October 2, 2017. Answers (1)
- Give one function of the cylindrical anodes in the CRO. tube.(Solved)
Give one function of the cylindrical anodes in the CRO. tube.
Date posted: October 2, 2017. Answers (1)
- Atmospheric pressure decreases with increase in height. Explain(Solved)
Atmospheric pressure decreases with increase in height. Explain
Date posted: October 2, 2017. Answers (1)
- What is a bimetallic strip.(Solved)
What is a bimetallic strip.
Date posted: October 2, 2017. Answers (1)
- Give two external factors that affect the rate of evaporation of a liquid.(Solved)
Give two external factors that affect the rate of evaporation of a liquid.
Date posted: October 2, 2017. Answers (1)
- Briefly describe how you would make an electromagnet (Solved)
Briefly describe how you would make an electromagnet
Date posted: October 2, 2017. Answers (1)
- Describe one practical application of the Photoelectric effect.(Solved)
Describe one practical application of the Photoelectric effect.
Date posted: October 2, 2017. Answers (1)